Additive effect of mesenchymal stem cells and defibrotide in an arterial rat thrombosis model.

Abstract:

BACKGROUND/AIM:In this study, we aimed to investigate the additive effect of mesenchymal stem cells (MSC) and defibrotide (DFT) in a rat model of femoral arterial thrombosis. METHODS:Thirty Sprague Dawley rats were included. An arterial thrombosis model by ferric chloride (FeCl3) was developed in the left femoral artery. The rats were equally assigned to 5 groups: Group 1-Sham-operated (without arterial injury); Group 2-Phosphate buffered saline (PBS) injected; Group 3-MSC; Group 4-DFT; Group 5-MSC + DFT. All had two intraperitoneal injections of 0.5 ml: the 1st injection was 4 h after the procedure and the 2nd one 48 h after the 1st injection. The rats were sacrificed 7 days after the 2nd injection. RESULTS:Although the use of human bone marrow-derived (hBM) hBM-MSC or DFT alone enabled partial resolution of the thrombus, combining them resulted in near-complete resolution. Neovascularization was two-fold better in hBM-MSC + DFT treated rats (11.6 ± 2.4 channels) compared with the hBM-MSC (3.8 ± 2.7 channels) and DFT groups (5.5 ± 1.8 channels) (P < 0.0001 and P= 0.002, respectively). CONCLUSION:The combined use of hBM-MSC and DFT in a rat model of arterial thrombosis showed additive effect resulting in near-complete resolution of the thrombus. INTRODUCCIÓN:El objetivo de este estudio consistió en investigar el efecto aditivo de las células madre mesenquimales (MSC, por sus siglas en inglés) y del defibrótido (DFT) en un modelo de trombosis arterial femoral en ratas. MÉTODOS:Se incluyeron 30 ratas Sprague Dawley. Se desarrolló un modelo de trombosis arterial mediante cloruro de hierro (FeCl3) en la arteria femoral izquierda. Las ratas se asignaron equitativamente en cinco grupos: grupo 1, intervención quirúrgica simulada (sin lesión arterial); grupo 2, inyección de solución salina tamponada con fosfato (PBS); grupo 3, MSC; grupo 4, DFT; grupo 5, MSC + DFT. Todas las ratas recibieron dos inyecciones intraperitoneales de 0,5 ml: la primera se administró 4 horas después del procedimiento y la segunda 48 horas después de la primera. Se sacrificó a las ratas siete días después de la segunda inyección. RESULTADOS:Aunque el uso por separado de MSC derivadas de médula ósea humana (hBM-MSC) o de DFT permitió una resolución parcial del trombo, la combinación de ambos tuvo como resultado la resolución casi completa. La neovascularización fue doblemente mejor en las ratas tratadas con hBM-MSC + DFT (11,6 ± 2,4 canales) en comparación con los grupos asignados por separado a hBM-MSC (3,8 ± 2,7 canales) y DFT (5,5 ± 1,8 canales) (P < 0,0001 y P= 0,002, respectivamente). CONCLUSIÓN:El uso combinado de hBM-MSC y DFT en un modelo de trombosis arterial en ratas mostró que el efecto aditivo tuvo como resultado la resolución casi completa del trombo.

journal_name

Arch Argent Pediatr

authors

Dilli D,Kılıç E,Yumuşak N,Beken S,Uçkan Çetinkaya D,Karabulut R,Zenciroğlu AL

doi

10.5546/aap.2017.eng.249

subject

Has Abstract

pub_date

2017-06-01 00:00:00

pages

249-256

issue

3

eissn

0325-0075

issn

1668-3501

journal_volume

115

pub_type

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